Tire tread



FIG. 1 is a perspective view of a tire tread showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is an enlarged partial front view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a left side view thereof.

The broken lines illustrate portions of the tire sidewall and bead, and form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 